Improvements in tappet shedding motions in looms

摘要

741,091. Tappet shedding mechanism. LINEN INDUSTRY RESEARCH ASSOCIATION. Feb. 22, 1954 [Feb. 21, 1953], No. 4898/53. Class 142 (2). The pivots F1, F2 of the treadles T1, T2 are' separated by a horizontal distance equal to the distance P between the heddles, in order that adjustment of the connectors a, a2 along the treadles to alter the shed opening does not cause the bowls c1, c2 to lose contact with the tappets during part of the cycle. The pivots F1, F2 are also separated by a vertical distance such that when the axes of the bowls c1, c2 coincide, these axes lie on the same straight line as the pivots F1, F2. The yokes y are pivoted to the connectors a1, a2 above and below the treadle shanks respectively, so as to be in a theoretically correct position in relation to the bowls c1, C2 and pivots F1, F2.